AN021 - Connector wiring
1. Types of connectors
| Family | Wire section without caps | Wire section with caps | Contact features |
|
|---|---|---|---|---|
 | BLZF 3.50 | 0,3÷1,50 mm2 | 0,3÷1 mm2 |  Self-locking spring contact |
 | B2L 3.50 | 0,3÷1,00 mm2 | 0,3÷0,5 mm2 | |
 | B2CF 3.50 | 0,14÷1,50 mm2 | 0,14÷1,50 mm2 | |
 | BLZF 5.08 | 0,3÷2,50 mm2 | 0,3÷2,00 mm2 | |
 | BLF 5.00 | 0,2÷2,50 mm2 | 0,3÷2,00 mm2 | |
 | BLZ 5.00 | 0,2÷2,50 mm2 | 0,1÷1 mm2 |  Screw contact |
  | MSTB 2.5 MSTBT 2.5 | 0,2-2,5mm2 | 0,25-2,5mm2 |
1.1 BLZF 3.50
| Connectable conductors | |||
|---|---|---|---|
| Clamping Range, Sizing link, min. | 0,13 mm2 | Clamping Range, Sizing link, min. | 1,5 mm2 |
| AWG Cable Connection Section, min. | AWG 28 | AWG Cable Connection Section, min. | AWG 16 |
| Outer insulation diameter, max. | 1,5 mm2 | hard, min. H05(07) V-U | 0,2 mm2 |
| hard, max. H05(07) V-U | 1,5 mm2 | flexible, min. H05(07) V-K | 0,2 mm2 |
| flexible, max. H05(07) V-K | 1,5 mm2 | with terminal in accordance with DIN 46 228/1, min. | 0,2 mm2 |
| with terminal in accordance with DIN 46 228/1, max. | 1,5 mm2 | with AEH terminal with collar DIN 46 228/4, min. | 0,2 mm2 |
| with AEH terminal with collar DIN 46 228/4, max. | 1 mm2 | Caliber in accordance with EN 60999 a x b; Ø | 2,4 mm x 1,5 mm |
1.1.1 Further notes
- Max Outer diameter of the conductor: 2,9 mm
- Terminals without insulating collar according to DIN 46228/1
- Terminals with insulating collar DIN 46228/4
- For crimping the terminals we recommend the form A of crimping of clamp PZ 1,5 (cod. art. 9005990000) or, For conductors with larger sections, the PZ 6/5 (cod. art. 9011460000).
1.2 B2L 3.50
1.2.1 Further notes
- Terminals with insulating collar DIN 46228/4
- Terminals without insulating collar according to DIN 46228/1
- For crimping the terminals we recommend the form A of crimping of clamp PZ 1,5 (cod. art. 9005990000) or, For conductors with larger sections, the PZ 6/5 (cod. art. 9011460000).
1.3 B2CF 3.50
1.3.1 Further notes
- Max diameter of conductor 2,6 mm Terminal with insulating collar in accordance with DIN 46228/4 or in the Weidmüller color code
- tube 1,00 mm² [H1.0/18D] lungh. terminal 12 mm, stripping length 15 mm
- tube 0,75 mm² [H0.75/18D] lungh. terminal 12 mm, stripping length 14 mm
- tube 0,50 mm² [H0.5/16D] lungh. terminal 10 mm, stripping length 12 mm
- tube 0,34 mm² [H0.34/12] lungh. terminal 8 mm, stripping length 10 mm
- tube 0,25 mm² [H0.25/12] lungh. terminal 8 mm, stripping length 10 mm
- tube 0,14 mm² [H0.14/12] lungh. terminal 8 mm, stripping length 10 mm Terminal without insulating collar in accordance with DIN 46228/1
- tube 1,50 mm² [H1.5/10] lungh. terminal 10 mm, stripping length 10 mm Terminal with insulating collar in accordance with DIN 46228/4 and 2 connected cables
- tube 2 x 0,20 mm² [H0.5/16] lungh. terminal 10 mm, stripping length 12 mm
- tube 2 x 0.34 mm² [H1.0/18] lungh. terminal 12 mm, stripping length 15 mm
1.4 BLF 5.00
1.4.1 Further notes
- Wire and plunger without insulating collar in accordance with DIN 46228/1
- Wire and plunger with insulating collar in accordance with DIN 46228/4
1.5 MSTB 2.5
Connectable conductors
 | For most safer wiring, we recommend the use of Caps |
|---|
2. Tools
2.1 Caps
| Wire section | Plunger section | Brand | Model |
|---|---|---|---|
| 0,1÷0,3 mm2 | 0,95 mm2 | Cembre | PKE 308 |
| 0,3÷0,5 mm2 | 1,32 mm2 | Cembre | PKE 508 |
| BM | BM00601 | ||
| 1 mm2 | 2,5mm2 | BM00603 | PK 108 |
| BM | BM00603 |
2.2 Caps crimping Pliers
Model: “Cembre ND#4 cod. 2590086”
2.3 Screwdriver
2.3.1 Screwdriver for self-locking spring terminals:
Flat blade Screwdriver according to DIN 5264-A.
A = 0,6mm
B = 2,5mm max
C = 7 mm min
2.3.2 Screwdriver for screw terminals
Flat blade Screwdriver According to DIN 5264. Tightening torque: 0,4 ÷ 0,5 Nm.
A = 0,6mm
B = 3,5mm
3. Procedures
3.1 BLZF, B2L, BLZF e BLF
 | Discover the copper wire for 10mm |
 | Insert the plunger and tighten it with the appropriate clamp |
 | a) Insert the screwdriver without rotate it b) Insert the plunger into the clamp |
 | Remove the screwdriver |
3.2 B2CF
 | Rigid wire |
 | With plunger |
 | Flexible wire |
 | The plunger to be used with the B2CF connectors must be long at least 12mm |
|---|